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multilog.pas
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multilog.pas
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unit MultiLog;
{
Main unit of the Multilog logging system.
author of original MultiLog: Luiz Américo Pereira Câmara; [email protected]
nb: all units are encoded with UTF-8 without BOM, using EDI "file settings\encoding\UTF-8" contextual menu.
Copyright (C) 2006 Luiz Américo Pereira Câmara
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version with the following modification:
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent modules,and
to copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the terms
and conditions of the license of that module. An independent module is a
module which is not derived from or based on this library. If you modify
this library, you may extend this exception to your version of the library,
but you are not obligated to do so. If you do not wish to do so, delete this
exception statement from your version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
}
{$ifdef fpc}
{$mode objfpc}{$H+}
{$endif}
interface
uses
{$ifndef fpc}Types, fpccompat,{$endif} Classes, SysUtils, syncobjs, math, TypInfo;
{$Include multilog_user1.inc}
type
TIntegratedLogger = class;
TMethodToLog = methInfo..methClear;
{$Include multilog_user2.inc}
TGroupOfForWhatReasonsToLogActually = Set of TForWhichTrackingPurpose;
{$Include multilog_user3.inc}
lwNone = [];
type
TrecLogMessage = record
iMethUsed: Integer;
dtMsgTime: TDateTime;
sMsgText: String;
pData: TStream;
setFilterDynamic: TGroupOfForWhatReasonsToLogActually;
end;
TCustomDataNotify = function (Sender: TIntegratedLogger; Data: Pointer; var DoSend: Boolean): String of Object;
TCustomDataNotifyStatic = function (Sender: TIntegratedLogger; Data: Pointer; var DoSend: Boolean): String;
{ TLogChannelUtils }
TLogChannelUtils = class
class function SetofToInt(const aSetOf: TGroupOfForWhatReasonsToLogActually): integer;
class function IntToSetof(const aSetof: Integer): TGroupOfForWhatReasonsToLogActually;
class function SetofToString(const aSetOf: TGroupOfForWhatReasonsToLogActually): string;
class function StringToSetof(const aSetOf: string): Integer;
class function CountElements(const aSetOf: TGroupOfForWhatReasonsToLogActually): integer;
end;
{ TLogChannel }
TLogChannel = class
private
FbActive: Boolean;
protected
FbShowTime: Boolean;
FbShowPrefixMethod: Boolean;
FbShow_DynamicFilter_forWhatReasonsToLogActually: Boolean;
public
procedure SetShowTime(const AValue: Boolean); virtual;
procedure Set_ShowFilterDynamic_forWhatReasonsToLogActually(AValue: Boolean); virtual;
procedure Clear; virtual; abstract;
procedure Deliver(const AMsg: TrecLogMessage); virtual; abstract;
procedure Init; virtual;
property Active: Boolean read FbActive write FbActive;
property ShowTime: boolean read FbShowTime write SetShowTime;
property ShowPrefixMethod: Boolean read FbShowPrefixMethod write FbShowPrefixMethod;
property ShowDynamicFilter_forWhatReasonsToLogActually: Boolean read FbShow_DynamicFilter_forWhatReasonsToLogActually write Set_ShowFilterDynamic_forWhatReasonsToLogActually;
end;
{ TChannelList }
TChannelList = class
private
FoList: TFpList;
function GetCount: Integer; {$ifdef fpc}inline;{$endif}
function GetItems(AIndex: Integer): TLogChannel; {$ifdef fpc}inline;{$endif}
public
constructor Create;
destructor Destroy; override;
function Add(AChannel: TLogChannel):Integer;
procedure Remove(AChannel:TLogChannel);
property Count: Integer read GetCount;
property Items[AIndex:Integer]: TLogChannel read GetItems; default;
end;
{ TIntegratedLogger }
TIntegratedLogger = class
private
FiMaxStackCount: Integer;
FoChannels: TChannelList;
FoLogStack: TStrings;
FoCheckList: TStringList;
FoCounterList: TStringList;
FOnCustomData: TCustomDataNotify;
FsetFilterDynamic_forWhatReasonsToLogActually: TGroupOfForWhatReasonsToLogActually;
class var FoDefaultChannels: TChannelList;
procedure GetCallStack(AStream:TStream);
class function GetDefaultChannels: TChannelList; static;
function GetEnabled: Boolean;
procedure SetMaxStackCount(const AValue: Integer);
procedure SetThreadSafe;
protected
procedure SendStream(AMethodUsed: Integer; const AText: String; o_AStream: TStream);
procedure SendBuffer(AMethodUsed: Integer; const AText: String; var pBuffer; Count: LongWord);
procedure SetFilterDynamic_forWhatReasonsToLogActually(AValue: TGroupOfForWhatReasonsToLogActually);
public
constructor Create;
destructor Destroy; override;
function CalledBy(const AMethodName: String): Boolean;
procedure Clear;
//Helper functions
function RectToStr(const ARect: TRect): String; //inline
function PointToStr(const APoint: TPoint): String; //inline
//Send functions: for backward compatibility. SendInfo have been introduced in order to be harmonized with SendError and SendWarning
procedure Send(const AText: String); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String); overload;
procedure Send(const AText: String; Args: array of const); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; Args: array of const); overload;
procedure Send(const AText, AValue: String); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText,AValue: String); overload;
procedure Send(const AText: String; AValue: Integer); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Integer); overload;
{$ifdef fpc}
procedure Send(const AText: String; AValue: Cardinal); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Cardinal); overload;
{$endif}
procedure Send(const AText: String; AValue: Double); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Double); overload;
procedure Send(const AText: String; AValue: Int64); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Int64); overload;
procedure Send(const AText: String; AValue: QWord); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: QWord); overload;
procedure Send(const AText: String; AValue: Boolean); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Boolean); overload;
procedure Send(const AText: String; const ARect: TRect); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; const ARect: TRect); overload;
procedure Send(const AText: String; const APoint: TPoint); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; const APoint: TPoint); overload;
{ Explanations: whe log with a methTStrings's method.}
procedure Send(const AText: String; AStrList: TStrings); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; o_AStrList: TStrings); overload;
{ Explanations: whe log with a methObject's method.}
procedure Send(const AText: String; AObject: TObject); overload;
procedure Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AObject: TObject); overload;
{ Explanations: whe log with a methInfo's method.}
procedure SendInfo(const AText: String); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String); overload;
procedure SendInfo(const AText: String; Args: array of const); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; Args: array of const); overload;
procedure SendInfo(const AText, AValue: String); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText,AValue: String); overload;
procedure SendInfo(const AText: String; AValue: Integer);
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Integer); overload;
{$ifdef fpc}
procedure SendInfo(const AText: String; AValue: Cardinal); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Cardinal); overload;
{$endif}
procedure SendInfo(const AText: String; AValue: Double); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Double); overload;
procedure SendInfo(const AText: String; AValue: Int64); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Int64); overload;
procedure SendInfo(const AText: String; AValue: QWord); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: QWord); overload;
procedure SendInfo(const AText: String; AValue: Boolean); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Boolean); overload;
procedure SendInfo(const AText: String; const ARect: TRect); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; const ARect: TRect); overload;
procedure SendInfo(const AText: String; const APoint: TPoint); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; const APoint: TPoint); overload;
{ Explanations: whe log with a methTStrings's method.}
procedure SendInfo(const AText: String; AStrList: TStrings); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; o_AStrList: TStrings); overload;
{ Explanations: whe log with a methObject's method.}
procedure SendInfo(const AText: String; AObject: TObject); overload;
procedure SendInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AObject: TObject); overload;
{ Explanations: whe log with a methValue's method.}
procedure SendPointer(const AText: String; APointer: Pointer); overload;
procedure SendPointer(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; APointer: Pointer); overload;
{ Explanations: whe log with a methCallStack's method.}
procedure SendCallStack(const AText: String); overload;
procedure SendCallStack(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String); overload;
{ Explanations: whe log with a methException's method.}
procedure SendException(const AText: String; AException: Exception); overload;
procedure SendException(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AException: Exception); overload;
{ Explanations: check Exception hierarchy (ultimate ancestor=EDatabaseError || EStreamError || ...), to grab its specific fields into a dumped string.}
function GetDescriptionOfSQLException (AException: Exception): string;
{ Explanations: whe log with a methHeapInfo's method.}
procedure SendHeapInfo(const AText: String); overload;
procedure SendHeapInfo(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String);overload;
{ Explanations: whe log with a methMemory's method.}
procedure SendMemory(const AText: String; Address: Pointer; Size: LongWord; Offset: Integer = 0); overload;
procedure SendMemory(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; pAddress: Pointer; iSize: LongWord; iOffset: Integer = 0); overload;
{ Explanations: whe log with a methConditional's method.}
procedure SendIf(const AText: String; Expression: Boolean); overload;
procedure SendIf(Classes: TGroupOfForWhatReasonsToLogActually; const AText: String; Expression: Boolean); overload;
procedure SendIf(const AText: String; Expression, IsTrue: Boolean); overload;
procedure SendIf(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; bExpression, bIsTrue: Boolean); overload;
{ Explanations: whe log with a ltWarning's method.}
procedure SendWarning(const AText: String); overload;
procedure SendWarning(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String); overload;
{ Explanations: whe log with a ltError's method.}
procedure SendError(const AText: String); overload;
procedure SendError(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String); overload;
{ Explanations: whe log with a methCustomData's method.}
procedure SendCustomData(const AText: String; Data: Pointer); overload;
procedure SendCustomData(const AText: String; Data: Pointer; CustomDataFunction: TCustomDataNotify); overload;
procedure SendCustomData(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; Data: Pointer; CustomDataFunction: TCustomDataNotify); overload;
procedure SendCustomData(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; Data: Pointer); overload;
procedure SendCustomData(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; Data: Pointer; CustomDataFunction: TCustomDataNotifyStatic); overload;
procedure SendCustomData(const AText: String; Data: Pointer; CustomDataFunction: TCustomDataNotifyStatic); overload;
{ Explanations: whe log with a methCheckpoint's method.}
procedure AddCheckPoint; overload;
procedure AddCheckPoint(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually); overload;
procedure AddCheckPoint(const sCheckName: String); overload;
procedure AddCheckPoint(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const sCheckName: String); overload;
{ Explanations: whe log with a methCounter's method.}
procedure IncCounter(const sCounterName: String); overload;
procedure IncCounter(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const CounterName: String); overload;
{ Explanations: whe log with a methCounter's method.}
procedure DecCounter(const sCounterName: String); overload;
procedure DecCounter(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const CounterName: String); overload;
{ Explanations: whe log with a methCounter's method.}
procedure ResetCounter(const sCounterName: String); overload;
procedure ResetCounter(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const CounterName: String); overload;
{ Explanations: get pointer on FoCounterList.Objects[CounterName].}
function GetCounter(const CounterName: String): Integer; overload;
{ Explanations: whe log with a methCheckpoint's method.}
procedure ResetCheckPoint; overload;
procedure ResetCheckPoint(Classes: TGroupOfForWhatReasonsToLogActually); overload;
procedure ResetCheckPoint(const sCheckName: String); overload;
procedure ResetCheckPoint(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually;const CheckName: String); overload;
{ Explanations: whe log with a methEnterMethod's method.}
procedure EnterMethod(const AMethodName: String; const AMessage: String = ''); overload;
procedure EnterMethod(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AMethodName: String; const AMessage: String = ''); overload;
procedure EnterMethod(Sender: TObject; const AMethodName: String; const AMessage: String = ''); overload;
procedure EnterMethod(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; Sender: TObject; const AMethodName: String; const AMessage: String = ''); overload;
{ Explanations: whe log with a methExitMethod's method.}
procedure ExitMethod(const AMethodName: String; const AMessage: String = ''); overload;
procedure ExitMethod(Sender: TObject; const AMethodName: String; const AMessage: String = ''); overload;
procedure ExitMethod(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AMethodName: String; const AMessage: String = ''); overload;
procedure ExitMethod({%H-}aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; Sender: TObject; const AMethodName: String; const AMessage: String = ''); overload;
{ Explanations: whe log with a methWatch's method.}
procedure Watch(const AText, AValue: String); overload;
procedure Watch(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText,AValue: String); overload;
procedure Watch(const AText: String; AValue: Integer); overload;
procedure Watch(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Integer); overload;
{$ifdef fpc}
procedure Watch(const AText: String; AValue: Cardinal); overload;
procedure Watch(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Cardinal); overload;
{$endif}
procedure Watch(const AText: String; AValue: Double); overload;
procedure Watch(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Double); overload;
procedure Watch(const AText: String; AValue: Boolean); overload;
procedure Watch(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Boolean); overload;
{ Explanations: whe log with a methSubEventBetweenEnterAndExitMethods's method.}
procedure SubEventBetweenEnterAndExitMethods(const AText: String); overload;
procedure SubEventBetweenEnterAndExitMethods(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String); overload;
class property DefaultChannels: TChannelList read GetDefaultChannels;
{ public field that contains the filter set which is intersected with the *possible* tracking purposes =~ ..."pass-filter"'s set, blocking or not the logging. }
property FilterDynamic_forWhatReasonsToLogActually: TGroupOfForWhatReasonsToLogActually read FsetFilterDynamic_forWhatReasonsToLogActually write SetFilterDynamic_forWhatReasonsToLogActually;
property Channels: TChannelList read FoChannels;
property LogStack: TStrings read FoLogStack;
property MaxStackCount: Integer read FiMaxStackCount write SetMaxStackCount;
property OnCustomData: TCustomDataNotify read FOnCustomData write FOnCustomData;
end;
{ TLogChannelWrapper }
TLogChannelWrapper = class(TComponent)
private
FoChannel: TLogChannel;
protected
{ Explanations: if AComponent - a specialized channel, like TMemoChannel - is in a @code(TComponentState = [opRemove]),
and if there's a AComponent's FChannelWrapper that is memory managed by AComponent,
then this FChannelWrapper must stop immediately any activity.}
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
public
property Channel: TLogChannel read FoChannel write FoChannel;
end;
TFixedCriticalSection = class(TCriticalSection)
private
{$WARN 5029 off : Private field "$1.$2" is never used} // FDummy not used anywhere so switch off such warnings
FDummy: array [0..95] of Byte; // fix multiprocessor cache safety http://blog.synopse.info/post/2016/01/09/Safe-locks-for-multi-thread-applications
end;
TGuardian = TFixedCriticalSection;
var
goLogger: TIntegratedLogger;
implementation
uses
db;
const
DefaultCheckName = 'CheckPoint';
function FormatNumber(iValue: Integer):String;
var
sTempStr: String;
i, iDigits: Integer;
begin
iDigits:= 0;
Result:= '';
sTempStr:= IntToStr(iValue);
for i := length(sTempStr) downto 1 do begin
//todo: implement using mod() -> get rids of iDigits
if iDigits = 3 then begin
iDigits:=0;
Result:= DefaultFormatSettings.ThousandSeparator+Result;
end;
Result:= sTempStr[i]+Result;
Inc(iDigits);
end;
end;
{ Explanations: global procedure returns the literal description of the "sender" component that is at the origin of the event.}
function GetObjectDescription(Sender: TObject): String;
begin
Result:= Sender.ClassName;
if (Sender is TComponent) and (TComponent(Sender).Name <> '') then
Result := Result + '(' + TComponent(Sender).Name + ')';
end;
var
goGuardian: TGuardian;
{ TLogChannelUtils }
class function TLogChannelUtils.SetofToInt(const aSetOf: TGroupOfForWhatReasonsToLogActually): integer;
begin
Result:= Integer(aSetOf); // Beware: Cf. [*]
end;
class function TLogChannelUtils.IntToSetof(const aSetof: Integer): TGroupOfForWhatReasonsToLogActually;
begin
result:= TGroupOfForWhatReasonsToLogActually(aSetof); // Beware: Cf. [*]
end;
class function TLogChannelUtils.SetofToString(const aSetOf: TGroupOfForWhatReasonsToLogActually): string;
begin
Result:= TypInfo.SetToString(PTypeInfo(TypeInfo(TGroupOfForWhatReasonsToLogActually)), Integer(aSetOf), true);
end;
class function TLogChannelUtils.StringToSetof(const aSetOf: string): Integer;
begin
Result:= TypInfo.StringToSet(PTypeInfo(TypeInfo(TGroupOfForWhatReasonsToLogActually)),aSetOf);
end;
class function TLogChannelUtils.CountElements(const aSetOf: TGroupOfForWhatReasonsToLogActually): integer;
var
k: TForWhichTrackingPurpose;
begin
Result:= 0;
for k:= lwDebug to lwLast do begin
if k in aSetOf then
Result:= Result+1;
end;
end;
{ TIntegratedLogger }
procedure TIntegratedLogger.GetCallStack(AStream: TStream);
{$ifdef fpc}
var
i: Longint;
prevbp: Pointer;
caller_frame,
caller_addr,
bp: Pointer;
S: String;
{$endif}
begin
{$ifdef fpc}
//routine adapted from fpc source
//This trick skip SendCallstack item
//bp:=get_frame; //get_frame=IP's frame
bp:= get_caller_frame(get_frame); //BP = number of the current base frame
try
prevbp:=bp-1; //prev_BP = number of the precedent base frame *)
i:=0;
//is_dev:=do_isdevice(textrec(f).Handle);
while bp > prevbp Do // while we can pop...
begin
caller_addr := get_caller_addr(bp); //we get the IP's caller
caller_frame := get_caller_frame(bp); //and its BP
if (caller_addr=nil) then
break; //We are back at the start point: all has been "poped"
//todo: see what is faster concatenate string and use writebuffer or current
S:=BackTraceStrFunc(caller_addr)+LineEnding; //EI name
AStream.WriteBuffer(S[1],Length(S));
Inc(i);
if (i>=FiMaxStackCount) or (caller_frame=nil) then
break;
prevbp:=bp; //previous variable is set with the IP
bp:=caller_frame; //the IP becomes the courent caller of the courrent frame: we backward from one call frame
end;
except
{ prevent endless dump if an exception occured }
end;
{$endif}
end;
{^^ Explanations:
When FsetFilterDynamic_forWhatReasonsToLogActually is changed by the calling programm, character ° is logged twice: here and internally in goLogger.SendStream.
^^}
procedure TIntegratedLogger.SetFilterDynamic_forWhatReasonsToLogActually(AValue: TGroupOfForWhatReasonsToLogActually);
begin
if FsetFilterDynamic_forWhatReasonsToLogActually=AValue then Exit;
goLogger.SendInfo('°');
FsetFilterDynamic_forWhatReasonsToLogActually:= AValue;
end;
class function TIntegratedLogger.GetDefaultChannels: TChannelList;
begin
if FoDefaultChannels = nil then
FoDefaultChannels := TChannelList.Create;
Result := FoDefaultChannels;
end;
function TIntegratedLogger.GetEnabled: Boolean;
begin
Result:= FsetFilterDynamic_forWhatReasonsToLogActually <> [];
end;
procedure DispatchLogMessage(o_Channels: TChannelList; const Msg: TrecLogMessage);
var
i: Integer;
o_Channel: TLogChannel;
begin
for i := 0 to o_Channels.Count - 1 do begin
o_Channel := o_Channels[i];
if o_Channel.Active then
o_Channel.Deliver(Msg);
end;
end;
procedure TIntegratedLogger.SendStream(AMethodUsed: Integer; const AText: String; o_AStream: TStream);
var
recMsg: TrecLogMessage;
{^^ Explanations:
création d'un record dans le même ordre que sa déclaration en pense-bête...,
...car surtout, s'il est envoyé en IPC et lu depuis un autre programme, la mémoire devra le relire dans cet ordre,
en utilisant TLogChannelUtils pour encoder et décoder le champ SetOf du record-TrecLogMessage.
^^}
procedure CreateMsg;
begin
with recMsg do begin
iMethUsed:= AMethodUsed;
dtMsgTime:= Now;
sMsgText:= AText;
pData:= o_AStream;
end;
if (AMethodUsed = methSubEventBetweenEnterAndExitMethods) then begin
recMsg.setFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually + [lwStudyChainedEvents];
recMsg.sMsgText:= recMsg.sMsgText; // as a reminder of the unbreakable association betweeb some methode names and their homonymous group
end
else if (AMethodUsed = methEnterMethod) or (AMethodUsed = methExitMethod) then begin
recMsg.setFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually + [lwStudyChainedEvents, lwEvents];
recMsg.sMsgText:= recMsg.sMsgText; // as a reminder of the unbreakable association betweeb some methode names and their homonymous group
end
else if (AMethodUsed = methError) or ((AMethodUsed = methException)) then begin
recMsg.setFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually + [lwError];
recMsg.sMsgText:= recMsg.sMsgText; // as a reminder of the unbreakable association betweeb some methode names and their homonymous group
end
else if (AMethodUsed = methWarning) then begin
recMsg.setFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually + [lwWarning];
recMsg.sMsgText:= recMsg.sMsgText; // as a reminder of the unbreakable association betweeb some methode names and their homonymous group
end
else if (AMethodUsed = methInfo) then begin
recMsg.setFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo];
recMsg.sMsgText:= recMsg.sMsgText; // as a reminder of the unbreakable association betweeb some methode names and their homonymous group
end
else
recMsg.setFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
end;
begin
CreateMsg;
(*IsMultiThread == true, when unit cthreads is used by a project*)
if IsMultiThread then
//Yes: it's a global variable created in this unit, and used in this unit only ;-)
goGuardian.Enter;
if FoDefaultChannels <> nil then
DispatchLogMessage(FoDefaultChannels, recMsg);
DispatchLogMessage(Channels, recMsg);
if IsMultiThread then
goGuardian.Leave;
end;
procedure TIntegratedLogger.SendBuffer(AMethodUsed: Integer; const AText: String; var pBuffer; Count: LongWord);
var
oStream: TStream;
begin
try
if Count > 0 then begin
oStream:= TMemoryStream.Create;
oStream.Write(pBuffer,Count);
end
else
oStream:= nil;
SendStream(AMethodUsed,AText,oStream); //nb: SendStream will free oStream
finally
oStream.Free;
end;
end;
procedure TIntegratedLogger.SetMaxStackCount(const AValue: Integer);
begin
if AValue < 256 then
FiMaxStackCount := AValue
else
FiMaxStackCount := 256;
end;
procedure TIntegratedLogger.SetThreadSafe;
begin
if IsMultiThread and not Assigned(goGuardian) then
goGuardian:= TGuardian.Create
else if (not IsMultiThread) and Assigned(goGuardian) then
FreeAndNil(goGuardian);
end;
constructor TIntegratedLogger.Create;
begin
SetThreadSafe;
FoChannels := TChannelList.Create;
FiMaxStackCount := 20;
FoLogStack := TStringList.Create;
FoCheckList := TStringList.Create;
with FoCheckList do begin
CaseSensitive := False;
Sorted := True; //Faster IndexOf?
end;
FoCounterList := TStringList.Create;
with FoCounterList do begin
CaseSensitive := False;
Sorted := True; //Faster IndexOf?
end;
FsetFilterDynamic_forWhatReasonsToLogActually:= lwNone; //categor{y|ies} of What is logged; by default, the logging and log nothing;
end;
destructor TIntegratedLogger.Destroy;
begin
FoChannels.Destroy;
FoLogStack.Destroy;
FoCheckList.Destroy;
FoCounterList.Destroy;
if Assigned(goGuardian) then
FreeAndNil(goGuardian);
end;
function TIntegratedLogger.CalledBy(const AMethodName: String): Boolean;
begin
Result:= FoLogStack.IndexOf(UpperCase(AMethodName)) <> -1;
end;
procedure ClearChannels(o_Channels: TChannelList);
var
i: Integer;
o_Channel: TLogChannel;
begin
for i := 0 to o_Channels.Count - 1 do begin
o_Channel := o_Channels[i];
if o_Channel.Active then
o_Channel.Clear;
end;
end;
procedure TIntegratedLogger.Clear;
begin
if FoDefaultChannels <> nil then
ClearChannels(FoDefaultChannels);
ClearChannels(Channels);
end;
function TIntegratedLogger.RectToStr(const ARect: TRect): String;
begin
with ARect do
Result:= Format('(Left: %d; Top: %d; Right: %d; Bottom: %d)',[Left,Top,Right,Bottom]);
end;
function TIntegratedLogger.PointToStr(const APoint: TPoint): String;
begin
with APoint do
Result:= Format('(X: %d; Y: %d)',[X,Y]);
end;
procedure TIntegratedLogger.Send(const AText: String);
begin
Send(FsetFilterDynamic_forWhatReasonsToLogActually,AText);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methSend,AText,nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; Args: array of const);
begin
Send(FsetFilterDynamic_forWhatReasonsToLogActually,AText,Args);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; Args: array of const);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methSend, Format(AText,Args),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText, AValue: String);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText, AValue: String);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+AValue,nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AValue: Integer);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Integer);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+IntToStr(AValue),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AValue: Cardinal);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Cardinal);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+IntToStr(AValue),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AValue: Double);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Double);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+FloatToStr(AValue),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AValue: Int64);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Int64);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+IntToStr(AValue),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AValue: QWord);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: QWord);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+IntToStr(AValue),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AValue: Boolean);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually, AText, AValue);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AValue: Boolean);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue, AText + ' = ' + BoolToStr(AValue, True), nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; const ARect: TRect);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,ARect);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; const ARect: TRect);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+ ' = '+RectToStr(ARect),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; const APoint: TPoint);
begin
Send(FsetFilterDynamic_forWhatReasonsToLogActually,AText,APoint);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; const APoint: TPoint);
var
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
SendStream(methValue,AText+' = '+PointToStr(APoint),nil);
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AStrList: TStrings);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AStrList);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; o_AStrList: TStrings);
var
sStr: string;
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
if Assigned(o_AStrList) then
if o_AStrList.Count>0 then
sStr:= o_AStrList.Text
else
sStr:= ' ' { fake o_AStrList.Text }
else
sStr:= ' '; { fake o_AStrList.Text }
SendBuffer(methTStrings, AText, sStr[1], Length(sStr));
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
procedure TIntegratedLogger.Send(const AText: String; AObject: TObject);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText,AObject);
end;
procedure TIntegratedLogger.Send(aSetOfFilterDynamicOverloadOneShot: TGroupOfForWhatReasonsToLogActually; const AText: String; AObject: TObject);
var
sTempStr: String;
oStream: TStream;
setOldFilterDynamic: TGroupOfForWhatReasonsToLogActually;
begin
setOldFilterDynamic:= FsetFilterDynamic_forWhatReasonsToLogActually;
FsetFilterDynamic_forWhatReasonsToLogActually:= FsetFilterDynamic_forWhatReasonsToLogActually + aSetOfFilterDynamicOverloadOneShot;
if FsetFilterDynamic_forWhatReasonsToLogActually = [] then Exit; //pre-conditions
try
oStream := nil;
sTempStr := AText + ' [';
if AObject <> nil then
begin
if AObject is TComponent then begin
oStream := TMemoryStream.Create;
oStream.WriteComponent(TComponent(AObject));
end
else
sTempStr := sTempStr + GetObjectDescription(AObject) + ' / ';
end;
sTempStr := sTempStr + ('$' + HexStr(AObject) + ']');
SendStream(methObject, sTempStr, oStream);
finally
oStream.Free;
FsetFilterDynamic_forWhatReasonsToLogActually:= setOldFilterDynamic;
end;
end;
procedure TIntegratedLogger.SendInfo(const AText: String);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; Args: array of const);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, Args);
end;
procedure TIntegratedLogger.SendInfo(const AText, AValue: String);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; AValue: Integer);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
{$ifdef fpc}
procedure TIntegratedLogger.SendInfo(const AText: String; AValue: Cardinal);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
{$endif}
procedure TIntegratedLogger.SendInfo(const AText: String; AValue: Double);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; AValue: Int64);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; AValue: QWord);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; AValue: Boolean);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AValue);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; const ARect: TRect);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, ARect);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; const APoint: TPoint);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, APoint);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; AStrList: TStrings);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AStrList);
end;
procedure TIntegratedLogger.SendInfo(const AText: String; AObject: TObject);
begin
SendInfo(FsetFilterDynamic_forWhatReasonsToLogActually + [lwInfo], AText, AObject);
end;
procedure TIntegratedLogger.SendPointer(const AText: String; APointer: Pointer);
begin
SendPointer(FsetFilterDynamic_forWhatReasonsToLogActually,AText,APointer);
end;
procedure TIntegratedLogger.SendCallStack(const AText: String);
begin
SendCallStack(FsetFilterDynamic_forWhatReasonsToLogActually,AText);
end;
procedure TIntegratedLogger.SendException(const AText: String; AException: Exception);
begin
SendException(FsetFilterDynamic_forWhatReasonsToLogActually + [lwError], AText, AException);
end;
procedure TIntegratedLogger.SendHeapInfo(const AText: String);
begin
SendHeapInfo(FsetFilterDynamic_forWhatReasonsToLogActually,AText);
end;
procedure TIntegratedLogger.SendMemory(const AText: String; Address: Pointer; Size: LongWord; Offset: Integer);
begin
SendMemory(FsetFilterDynamic_forWhatReasonsToLogActually,AText,Address,Size,Offset)
end;